How to create a chunk loader?

Bedrock_Miner · April 8, 2014

Hey guys!

I want to create a chunk loader which keeps all the chunks in an adjustable radius round the block loaded. How can I do this?

I tried the following, but this didn't work:

In a tileEntity I overrode onChunkUnloading and added the method worldObj.getChunkProvider().loadChunk(...);

This only caused that the server fails to shut down. The commandBlock i placed there didn't write anything in the chat as it should.

So, how can I create a working chunk loader block?

Bedrock_Miner · April 8, 2014

Basically it works fine, thanks for that!

But I got two problems:

First, I don't understand how to use the LoadingCallback.

Second, if I reload a world and remove the chunkloader, I get this error:

[11:40:12] [server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Ticking memory connection
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:206) ~[NetworkSystem.class:?]
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650) ~[MinecraftServer.class:?]
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120) ~[integratedServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787) [MinecraftServer$2.class:?]
Caused by: java.lang.NullPointerException
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119) ~[guava-15.0.jar:?]
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767) ~[ForgeChunkManager.class:?]
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70) ~[blockStatueBase.class:?]
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690) ~[Chunk.class:?]
at net.minecraft.world.World.setBlock(World.java:549) ~[World.class:?]
at net.minecraft.world.World.setBlockToAir(World.java:667) ~[World.class:?]
at net.minecraft.block.Block.removedByPlayer(Block.java:1686) ~[block.class:?]
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272) ~[itemInWorldManager.class:?]
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306) ~[itemInWorldManager.class:?]
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174) ~[itemInWorldManager.class:?]
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528) ~[NetHandlerPlayServer.class:?]
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61) ~[C07PacketPlayerDigging.class:?]
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94) ~[C07PacketPlayerDigging.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242) ~[NetworkManager.class:?]
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190) ~[NetworkSystem.class:?]
... 5 more
[11:40:12] [server thread/ERROR]: This crash report has been saved to: C:\Users\Julian\Desktop\Modding\StatueMod\StatueMod\.\crash-reports\crash-2014-04-08_11.40.12-server.txt
[11:40:12] [server thread/INFO]: Stopping server
[11:40:12] [server thread/INFO]: Saving players
[11:40:12] [server thread/INFO]: Saving worlds
[11:40:12] [server thread/INFO]: Saving chunks for level 'New World'/Overworld
---- Minecraft Crash Report ----
// I let you down. Sorry 

Time: 08.04.14 11:40
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119)
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767)
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690)
at net.minecraft.world.World.setBlock(World.java:549)
at net.minecraft.world.World.setBlockToAir(World.java:667)
at net.minecraft.block.Block.removedByPlayer(Block.java:1686)
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272)
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306)
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174)
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242)
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119)
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767)
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690)
at net.minecraft.world.World.setBlock(World.java:549)
at net.minecraft.world.World.setBlockToAir(World.java:667)
at net.minecraft.block.Block.removedByPlayer(Block.java:1686)
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272)
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306)
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174)
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242)

-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@cd56091
Stacktrace:
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_60-ea, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 141752336 bytes (135 MB) / 482344960 bytes (460 MB) up to 943194112 bytes (899 MB)
JVM Flags: 0 total; 
AABB Pool Size: 6751 (378056 bytes; 0 MB) allocated, 6134 (343504 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
FML: MCP v9.01-pre FML v7.2.116.1024 Minecraft Forge 10.12.0.1024 4 mods loaded, 4 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
FML{7.2.116.1024} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.0.1024.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forge{10.12.0.1024} [Minecraft Forge] (forgeSrc-1.7.2-10.12.0.1024.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
modid{1.0.0} [ModName] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 2840 (159040 bytes; 0 MB) allocated, 2570 (143920 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['_Bedrock_Miner_'/4160, l='New World', x=1000,99, y=79,00, z=-2,99]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
#@!@# Game crashed! Crash report saved to: #@!@# .\crash-reports\crash-2014-04-08_11.40.12-server.txt
[11:40:12] [Client Shutdown Thread/INFO]: Stopping server
Exception in thread "Client Shutdown Thread" java.util.ConcurrentModificationException
at java.util.Hashtable$Enumerator.next(Unknown Source)
at net.minecraftforge.common.DimensionManager.setWorld(DimensionManager.java:213)
at net.minecraft.server.MinecraftServer.stopServer(MinecraftServer.java:461)
at net.minecraft.server.integrated.IntegratedServer.stopServer(IntegratedServer.java:257)
at net.minecraft.client.Minecraft.stopIntegratedServer(Minecraft.java:2706)
at net.minecraft.client.main.Main$2.run(Main.java:102)
AL lib: (EE) alc_cleanup: 1 device not closed

The code of my chunkloader is this:

package com.bedrockminer.statuemod.blocks;

import net.minecraft.block.Block;
import net.minecraft.block.BlockContainer;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.World;
import net.minecraftforge.common.ForgeChunkManager;
import net.minecraftforge.common.ForgeChunkManager.Ticket;
import net.minecraftforge.common.ForgeChunkManager.Type;

import com.bedrockminer.statuemod.Main;
import com.bedrockminer.statuemod.tileentities.TileEntityStatueBase;

import cpw.mods.fml.common.registry.GameRegistry;

public class BlockStatueBase extends Block {

private IIcon topIcon;
private IIcon botIcon;
private Ticket ticket;

protected BlockStatueBase(String unlocalizedName) {
	super(Material.iron);
	this.setBlockName(unlocalizedName);
	this.setBlockTextureName(Main.tex(unlocalizedName));
	this.setHardness(5.0F);
	this.setResistance(2000.0F);
	this.setHarvestLevel("pickaxe", 2);
	this.setStepSound(soundTypeMetal);
	this.setCreativeTab(Main.MAINTAB);
	this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.75F, 1.0F);
        this.setLightOpacity(0);

	GameRegistry.registerBlock(this, unlocalizedName);
}

@Override
public IIcon getIcon(int side, int meta) {
	switch (side) {
	case 0: return topIcon;
	case 1: return botIcon;
	default: return blockIcon;
	}
}

@Override
public void registerBlockIcons(IIconRegister reg) {
	this.blockIcon = reg.registerIcon(textureName + "_side");
	this.topIcon = reg.registerIcon(textureName + "_top");
	this.botIcon = reg.registerIcon(textureName + "_bottom");
}

@Override
public void onBlockAdded(World world, int x, int y, int z) {
	super.onBlockAdded(world, x, y, z);
	this.ticket = ForgeChunkManager.requestTicket(Main.instance, world, Type.NORMAL);
	if (this.ticket != null) {
		ForgeChunkManager.forceChunk(ticket, new ChunkCoordIntPair(x / 16, z / 16));
	}
}

@Override
public void breakBlock(World world, int x, int y, int z, Block block, int meta) {
	super.breakBlock(world, x, y, z, block, meta);
	if (this.ticket != null) {
		ForgeChunkManager.unforceChunk(ticket, new ChunkCoordIntPair(x / 16, z / 16));
	}
}
}

Bedrock_Miner · April 8, 2014

Changed, but still get an error

(I think its the same, but I post it anyway)

[12:08:52] [server thread/ERROR]: Encountered an unexpected exception
net.minecraft.util.ReportedException: Ticking memory connection
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:206) ~[NetworkSystem.class:?]
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762) ~[MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650) ~[MinecraftServer.class:?]
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120) ~[integratedServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787) [MinecraftServer$2.class:?]
Caused by: java.lang.NullPointerException
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119) ~[guava-15.0.jar:?]
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767) ~[ForgeChunkManager.class:?]
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70) ~[blockStatueBase.class:?]
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690) ~[Chunk.class:?]
at net.minecraft.world.World.setBlock(World.java:549) ~[World.class:?]
at net.minecraft.world.World.setBlockToAir(World.java:667) ~[World.class:?]
at net.minecraft.block.Block.removedByPlayer(Block.java:1686) ~[block.class:?]
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272) ~[itemInWorldManager.class:?]
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306) ~[itemInWorldManager.class:?]
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174) ~[itemInWorldManager.class:?]
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528) ~[NetHandlerPlayServer.class:?]
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61) ~[C07PacketPlayerDigging.class:?]
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94) ~[C07PacketPlayerDigging.class:?]
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242) ~[NetworkManager.class:?]
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190) ~[NetworkSystem.class:?]
... 5 more
[12:08:52] [server thread/ERROR]: This crash report has been saved to: C:\Users\Julian\Desktop\Modding\StatueMod\StatueMod\.\crash-reports\crash-2014-04-08_12.08.52-server.txt
[12:08:52] [server thread/INFO]: Stopping server
[12:08:52] [server thread/INFO]: Saving players
[12:08:52] [server thread/INFO]: Saving worlds
[12:08:52] [server thread/INFO]: Saving chunks for level 'New World'/Overworld
---- Minecraft Crash Report ----
// I let you down. Sorry 

Time: 08.04.14 12:08
Description: Ticking memory connection

java.lang.NullPointerException: Ticking memory connection
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119)
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767)
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690)
at net.minecraft.world.World.setBlock(World.java:549)
at net.minecraft.world.World.setBlockToAir(World.java:667)
at net.minecraft.block.Block.removedByPlayer(Block.java:1686)
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272)
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306)
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174)
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242)
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at com.google.common.collect.LinkedHashMultimap.create(LinkedHashMultimap.java:119)
at net.minecraftforge.common.ForgeChunkManager.unforceChunk(ForgeChunkManager.java:767)
at com.bedrockminer.statuemod.blocks.BlockStatueBase.breakBlock(BlockStatueBase.java:70)
at net.minecraft.world.chunk.Chunk.func_150807_a(Chunk.java:690)
at net.minecraft.world.World.setBlock(World.java:549)
at net.minecraft.world.World.setBlockToAir(World.java:667)
at net.minecraft.block.Block.removedByPlayer(Block.java:1686)
at net.minecraft.server.management.ItemInWorldManager.removeBlock(ItemInWorldManager.java:272)
at net.minecraft.server.management.ItemInWorldManager.tryHarvestBlock(ItemInWorldManager.java:306)
at net.minecraft.server.management.ItemInWorldManager.onBlockClicked(ItemInWorldManager.java:174)
at net.minecraft.network.NetHandlerPlayServer.processPlayerDigging(NetHandlerPlayServer.java:528)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:61)
at net.minecraft.network.play.client.C07PacketPlayerDigging.processPacket(C07PacketPlayerDigging.java:94)
at net.minecraft.network.NetworkManager.processReceivedPackets(NetworkManager.java:242)

-- Ticking connection --
Details:
Connection: net.minecraft.network.NetworkManager@4efc646f
Stacktrace:
at net.minecraft.network.NetworkSystem.networkTick(NetworkSystem.java:190)
at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:762)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:650)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:120)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:528)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:787)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.7.0_60-ea, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 242244712 bytes (231 MB) / 463470592 bytes (442 MB) up to 943194112 bytes (899 MB)
JVM Flags: 0 total; 
AABB Pool Size: 5127 (287112 bytes; 0 MB) allocated, 4514 (252784 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
FML: MCP v9.01-pre FML v7.2.116.1024 Minecraft Forge 10.12.0.1024 4 mods loaded, 4 mods active
mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
FML{7.2.116.1024} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.0.1024.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
Forge{10.12.0.1024} [Minecraft Forge] (forgeSrc-1.7.2-10.12.0.1024.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
modid{1.0.0} [ModName] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available->Available->Available->Available->Available->Available
Profiler Position: N/A (disabled)
Vec3 Pool Size: 1724 (96544 bytes; 0 MB) allocated, 1678 (93968 bytes; 0 MB) used
Player Count: 1 / 8; [EntityPlayerMP['_Bedrock_Miner_'/3844, l='New World', x=1000,50, y=84,00, z=0,50]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
#@!@# Game crashed! Crash report saved to: #@!@# .\crash-reports\crash-2014-04-08_12.08.52-server.txt
AL lib: (EE) alc_cleanup: 1 device not closed

Bedrock_Miner · April 8, 2014

I think it would be very useful if you can tell me how to use this ForcedChunkLoadingCallback, because I really have no Idea how to use it. Maybe this will fix this Error anyway.

Bedrock_Miner · April 9, 2014

OK, but how can I find out if the world unloads?

Do I need an EventHandler for this? If so, which event cause I couldn't find one that seems to match...

And when do I have to create the Ticket if i do so? Actually I do it every time a block of this type is placed

Bedrock_Miner · April 9, 2014

I would say one per block type of yours.

So, I create a Ticket when loading a world for each block that uses these tickets?

Bedrock_Miner · April 9, 2014

OK. I did this now, but actually it doesn't work any more.

I did it like this:

public class WorldEventHandler {

@SubscribeEvent
public void worldUnloadEvent(WorldEvent.Unload e) {
	BlockStatueBase.ticket = null;
}

@SubscribeEvent
public void worldLoadEvent(WorldEvent.Load e) {
	BlockStatueBase.ticket = ForgeChunkManager.requestTicket(Main.instance, e.world, Type.NORMAL);
}
}

In the block class:

@Override
public void onBlockAdded(World world, int x, int y, int z) {
	if (!world.isRemote && this.ticket != null) {
		ForgeChunkManager.forceChunk(ticket, new ChunkCoordIntPair(x / 16, z / 16));
	}
}

@Override
public void breakBlock(World world, int x, int y, int z, Block block, int meta) {
	if (!world.isRemote && this.ticket != null) {
		ForgeChunkManager.unforceChunk(ticket, new ChunkCoordIntPair(x / 16, z / 16));
	}
}

The ticket is not null, i tested it with debugging outputs

Bedrock_Miner · April 9, 2014

I think it might help if you tell me what you tried out and what effect this had.

Would you mind telling me this?

Bedrock_Miner · April 9, 2014

I found this repo on bitbucket and it looks quite nice to me.

Well, am I allowed to copy this code and use it? Or are there copyrights or something?

Bedrock_Miner · April 13, 2014

Well, I now copied some if the code, but it is from 1.6 and I get some problems.

For example, this line of code is used very often:

world.theChunkProviderServer.loadedChunks

The problem is, that this is declared private in the class ChunkProviderServer.

How can I get acces to this field? Or do you know another way to get the actual loaded chunks?

zmaster587 · May 9, 2014

When I created a chunkloader for 1.6.4, I created a class and had it implement 'net.minecraftforge.common.ForgeChunkManager.LoadingCallback'.

WorldEvents:

public class WorldEvents implements LoadingCallback {

@Override
public void ticketsLoaded(List<Ticket> tickets, World world) {
		//TODO: somthing when the tickets are loaded

}
}

Immobile Entity (Loading a block should be the same. Note: this only loads on chunk):

...
if(!worldObj.isRemote) {
Ticket ticket = ForgeChunkManager.requestTicket(AdvancedRocketry.instance, this.worldObj, Type.NORMAL);
        if(ticket != null)
      ForgeChunkManager.forceChunk(ticket, new ChunkCoordIntPair((int)this.posX / 16, (int)this.posZ / 16));
}
...

Hope this helps...

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